.home_box {
  width: 100%;
  height: 40px;
  background-color: #333;
  font-size: 12px;
  color: #b0b0b0;
  display: inline-flex;
  align-items: center;
  justify-content: space-around;
}
.Nav {
  width: 100%;
  height: 100px;
  background-color: #fff;
  color: #333333;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  padding: 0 50px;
}
.logo {
  width: 15%;
}
.center {
  width: 70%;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.int {
  width: 15%;
}
.swiper {
  width: 100%;
  height: 800px;
}
.top {
  width: 90%;
  height: 60px;
  color: white;
  color: gainsboro;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 0 auto;
}
.bottom {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.nottom_nr {
  width: 90%;
  height: 200px;
  text-align: center;
}
.nottom_nr img{
  width: 100%;
}